You develop a Microsoft SQL Server 2012 database. You create a view from the Orders and
OrderDetails tables by using the following definition.
You need to improve the performance of the view by persisting data to disk.
What should you do?

Your database contains tables named Products and ProductsPriceLog. The Products table contains
columns named ProductCode and Price. The ProductsPriceLog table contains columns named
ProductCode, OldPrice, and NewPrice. The ProductsPriceLog table stores the previous price in the
OldPrice column and the new price in the NewPrice column.

You need to increase the values in the Price column of all products in the Products table by 5
percent.
You also need to log the changes to the ProductsPriceLog table.
Which Transact-SQL query should you use?

A table named Profits stores the total profit made each year within a territory. The Profits table has
columns named Territory, Year, and Profit. You need to create a report that displays the profits
made by each territory for each year and its previous year.
Which Transact-SQL query should you use?

Your database contains a table named SalesOrders. The table includes a DATETIME column named
OrderTime that stores the date and time each order is placed. There is a non-clustered index on the

OrderTime column. The business team wants a report that displays the total number of orders
placed on the current day.
You need to write a query that will return the correct results in the most efficient manner.
Which Transact-SQL query should you use?

You use Microsoft SQL Server 2012 to develop a database application. You create a stored procedure
named dbo.ModifyData that can modify rows.
You need to ensure that when the transaction fails, dbo.ModifyData meets the following
requirements:
Does not return an error
Closes all opened transactions
Which Transact-SQL statement should you use?

You are developing a database application by using Microsoft SQL Server 2012. You have a query
that runs slower than expected.
You need to capture execution plans that will include detailed information on missing indexes
recommended by the query optimizer.
What should you do?

You are developing a database application by using Microsoft SQL Server 2012. An application that
uses a database begins to run slowly.
You discover that a large amount of memory is consumed by single-use dynamic queries.
You need to reduce procedure cache usage from these statements without creating any additional
indexes.
What should you do?

You create a table that has the StudentCode, SubjectCode, and Marks columns to record mid-year
marks for students. The table has marks obtained by 50 students for various subjects.
You need to ensure that the top half of the students arranged by their average marks must be given
a rank of 1 and the remaining students must be given a rank of 2.
Which Transact-SQL query should you use?

You develop a database for a travel application.
You need to design tables and other database objects.
You create the Airline_Schedules table.
You need to store the departure and arrival dates and times of flights along with time zone
information.
What should you do?

You develop a database for a travel application.
You need to design tables and other database objects.
You create a stored procedure.
You need to supply the stored procedure with multiple event names and their dates as parameters.
What should you do?